26 lines
1.1 KiB
Rust
26 lines
1.1 KiB
Rust
// SPDX-License-Identifier: GPL-3.0-only
|
|
|
|
use smithay::{
|
|
backend::renderer::utils::with_renderer_surface_state, desktop::layer_map_for_output,
|
|
output::Output,
|
|
};
|
|
|
|
/// Layer shell namespace used by `cosmic-workspaces`
|
|
// TODO: Avoid special case, or add protocol to expose required behavior
|
|
pub const WORKSPACE_OVERVIEW_NAMESPACE: &str = "cosmic-workspace-overview";
|
|
|
|
/// Check if a workspace overview shell surface is open on the output
|
|
pub fn workspace_overview_is_open(output: &Output) -> bool {
|
|
layer_map_for_output(output)
|
|
.layers()
|
|
.filter(|s| s.namespace() == WORKSPACE_OVERVIEW_NAMESPACE)
|
|
// Only consider the overview open once it has committed a buffer. The
|
|
// surface is inserted into the layer map on its initial (bufferless)
|
|
// commit, so checking for the namespace alone hides all toplevels for a
|
|
// frame before the overview has anything to draw, briefly flashing the
|
|
// bare wallpaper.
|
|
.any(|s| {
|
|
with_renderer_surface_state(s.wl_surface(), |state| state.buffer().is_some())
|
|
.unwrap_or(false)
|
|
})
|
|
}
|